Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kc2 draw
3 Kc4 draw
4 Kd2 draw
5 Kd3 draw
6 Rb3 draw
7 Rd8 draw
8 Rh8 draw
9 Kb3 loss in 4 half-moves
10 Kb4 loss in 4 half-moves
11 Rc8 loss in 4 half-moves
12 Kb2 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Ra8 loss in 1 half-moves